Computer anatomy

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Across
  1. 4. It is used when your motherboard does not have sound chip or if you want better sound quality.
  2. 6. It houses graphics cards
  3. 9. It is used to connect different types of peripherals
  4. 10. It helps draw power from the computer
  5. 12. It houses most of the computer's components and directs data traffic.
Down
  1. 1. It is the brain that carries out computer instructions
  2. 2. It is what newer mice and keyboards require
  3. 3. It is what older printers and scanners are connected to
  4. 5. It is also known as a COM port
  5. 7. It lets peripherals communicate quickly with the processor
  6. 8. It funnels power through the multicolored cables to each device
  7. 11. It performs system checks before starting your main OS
  8. 13. Random Access Memory